Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to Defiance Book Hotels

Distance from Custer, SD to Defiance, PA

Distance

1,537 mi

Time

1 day 3 hours

Gas Cost

$143 - $278

There are 1,321.50 miles from Custer to Defiance in east direction and 1,537 miles (2,473.56 kilometers) by car, following the I-90 and US-14 route.

Custer and Defiance are 1 day 3 hours far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Defiance, PA.

Please note the time difference between Custer, SD and Defiance, PA is 2 hours. The current time in Custer is 2:39 am and the current time in Defiance is 4:39 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Defiance, PA? Here there are some offers to rent a car in Custer, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 61.72 gallons of gas to cover the route between Custer, SD and Defiance, PA.

The estimated cost of gas to go from Custer to Defiance is $201.32.

During the route, an average car will release 1,209.15 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Defiance, PA

If you want to meet halfway between Custer, SD and Defiance, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.822651 and -90.083214, or 43º 49' 21.5436" N, 90º 4' 59.5704" W. This location is 768.37 miles away from Custer, SD and Defiance, PA and it would take approximately 13 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mauston, WI, situated 740 miles from Custer, SD and 799 miles from Defiance, PA. It would take 12 hours 45 mins to go from Custer to Mauston and 14 hours 56 mins to go from Defiance to Mauston.